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OLLI Course on Geology and  Environmental Geology of the State College Area
Downloadable Files and Web Links

Powerpoint Files (either OPEN or SAVE to a location of your choosing by right-clicking your mouse and highlighting "Save As"

A viewer for Powerpoint Lectures

Lecture on Geology of the Nittany Valley: an Overview

Lecture on Karst and Groundwater

Wilson Cycles and the History of the Appalachians, Part I
Wilson Cycles and the History of the Appalachians, Part II
Wilson Cycles and the History of the  Appalachians, Part III

Field Trips for 2009
Karst and hydrogeology of the Nittany Valley

Let’s walk through one complete orogeny!  Place: Reedsville in Mifflin County.  Orogeny: Taconian

From tropical shorelines to glacial ice fields, with orogeny mixed in, all on Tussey Mountain

The Skytop I-99 acid rock problem: predicting (or not) what happened and the present situation

Two geologically-distinct sources of iron ore in Centre and Huntingdon Counties, with some climate change thrown in

An Archive of Past Field Trips
Periglacial features, soils, and karst
The pyrite problem at Skytop I-99
Meandering streams and recent uplift of the region
Water: streams, lakes, rivers, and groundwater
Scotia and Spring Creek Canyon: One in the Nearly-Forgotten Past, One With a Promising Future.  How Are They Linked, Geologically?

Web Links
Geologic report on the Skytop/I-99 pyrite problems by Duff Gold and Arnold Doden
The EPA website for the Centre County Kepone Superfund Site
Some factoids about detrital sedimentary rocks

A stratigraphic chart for Central Pennsylvania (expand your browser to 200% for the chart, or download it and use an image viewer)

From the Pennsylvania Geological Survey
Geology of Pennsylvania
Virtual Field Trips
Quadrangle  Geologic Maps